<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>登录退出</title>
</head>
<body>

</body>
</html>
function1、function2、function3、function4：功能1、2、3、4的页面（只列举第一个，是相似的）
<%@ page contentType="text/html;charset=utf-8" pageEncoding="utf-8" %>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
    <title>新闻管理之功能1页面</title>
</head>
<body>
<center>
    <br>
    <h3>功能1</h3>
    <h3>功能1</h3>
    <h3>功能1</h3>
    <h3>功能1</h3>
    <hr>
    <table width="200">
        <tr>
            <td align="left"><a href="login_success.jsp">返回上一级</a></td>
            <td align="right"><a href="logout.jsp">登出</a></td>
        </tr>
    </table>
</center>
</body>
